ONEVER Portable Real Time GSM GPS GPRS Tracker for Car Old People Children Pets with Quad Band Network Build-in GPS personal locator and shock sensor You can get target's latitude and longitude by SMS or GPRS, and check position by google earth Features Powerful magnet and waterproof, can be absorbed in the the hiden place of car for tracking secretly Compact, easy to carry, and comes with a magnetic battery cover to attach to any steel object Real-time polling auto track voice surveillance Geo-fence SOS single tracking Overspeed alarm and can protect child the old the disabled pet etc